/*
 * This file is part of the EasyLogger Library.
 *
 * Copyright (c) 2015, Armink, <armink.ztl@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Function: Portable interface for linux.
 * Created on: 2015-04-28
 */

#include <elog.h>
#include <stdio.h>
#include <pthread.h>
#include <unistd.h>
// #include <time.h>
#include <sys/time.h> // gettimeofday
#include <sys/syscall.h>

#ifdef ELOG_FILE_ENABLE
#include <elog_file.h>
#endif
static pthread_mutex_t output_lock;

/**
 * EasyLogger port initialize
 *
 * @return result
 */
ElogErrCode elog_port_init(void)
{
    ElogErrCode result = ELOG_NO_ERR;

    pthread_mutex_init(&output_lock, NULL);

#ifdef ELOG_FILE_ENABLE
    elog_file_init();
#endif

    return result;
}

/**
 * EasyLogger port deinitialize
 *
 */
void elog_port_deinit(void)
{
#ifdef ELOG_FILE_ENABLE
    elog_file_deinit();
#endif

    pthread_mutex_destroy(&output_lock);
}

/**
 * output log port interface
 *
 * @param log output of log
 * @param size log size
 */
void elog_port_output(const char *log, size_t size)
{
    /* output to terminal */
#ifdef ELOG_TERMINAL_ENABLE
    printf("%.*s", (int)size, log);
#endif

#ifdef ELOG_FILE_ENABLE
    /* write the file */
    elog_file_write(log, size);
#endif
}

/**
 * output lock
 */
void elog_port_output_lock(void)
{
    pthread_mutex_lock(&output_lock);
}

/**
 * output unlock
 */
void elog_port_output_unlock(void)
{
    pthread_mutex_unlock(&output_lock);
}

/**
 * get current time interface
 *
 * @return current time
 */
// const char *elog_port_get_time(void) {
//     static char cur_system_time[24] = { 0 };

//     time_t cur_t;
//     struct tm cur_tm;

//     time(&cur_t);
//     localtime_r(&cur_t, &cur_tm);

//     strftime(cur_system_time, sizeof(cur_system_time), "%Y-%m-%d %T", &cur_tm);

//     return cur_system_time;
// }

/**
 * 获取当前时间，包括毫秒
 *
 * @return 当前时间的字符串表示，格式为 "%Y-%m-%d %T.%03ld"
 */
const char *elog_port_get_time(void)
{
    // 定义一个静态的字符数组来存储当前系统时间，包括毫秒，大小为26个字符
    static char cur_system_time[26] = {0};

    // 使用struct timeval来获取当前时间，包括秒和微秒
    struct timeval tv;
    struct timezone tz;
    struct tm *t;

    gettimeofday(&tv, &tz);

    t = localtime(&tv.tv_sec);
    snprintf(cur_system_time, sizeof(cur_system_time), "%d-%d-%d %d:%d:%d.%ld", 1900 + t->tm_year, 1 + t->tm_mon, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, tv.tv_usec);
    //printf("%s\n", cur_system_time);
    // 返回格式化后的时间字符串
    return cur_system_time;
}
/**
 * get current process name interface
 *
 * @return current process name
 */
const char *elog_port_get_p_info(void)
{
    static char cur_process_info[10] = {0};

    snprintf(cur_process_info, 10, "pid:%04d", getpid());

    return cur_process_info;
}

/**
 * get current thread name interface
 *
 * @return current thread name
 */
const char *elog_port_get_t_info(void)
{
    static char cur_thread_info[10] = {0};

    snprintf(cur_thread_info, 10, "tid:%04ld", syscall(SYS_gettid));

    return cur_thread_info;
}
